期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 36, 期 4, 页码 1059-1071出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2015.11.012
关键词
Coal fly ash; Dolomite; Ceramic membrane; Membrane support; Anorthite; Cordierite
资金
- Industry Leading Key Project of Fujian Province, China [2014H0050]
- Natural Science Foundation for Distinguished Young Scholars of Fujian Province [2015J06013]
- National Natural Science Foundation of China [21301171, 21376102, 51408582]
- Science and Technology program of Xiamen [3502Z20142017]
- Knowledge Innovation Program of the Chinese Academy of Sciences [IUEMS201407]
- National Science Foundation of Guangdong Province, China [S2013010012199]
Recycling of industrial solid state waste is always the priority solution in the prospect of waste management. This work demonstrated a new method converting coal fly ash (CFA) industrial waste to anorthite-cordierite-based porous ceramic membrane supports (ACCMS), through high-temperature sintering with additions of dolomite mineral. Characterization of as-prepared ACCMS included phase composition, microstructure, pore structure, N-2 and water permeability, and mechanical properties. From dilatometric measurements, the densification temperature of a sample with 28.43 wt.% dolomite addition was extended to 1100 degrees C compared to 1060 degrees C for that of a sample without any dolomite. For samples sintered at 1150 degrees C, their open porosity increased from 25.2 +/- 0.5% to 46.5 +/- 0.2% when dolomite addition increased from 0 to 28.43 wt.%. It is suggested that this level of dolomite addition significantly inhibited the sintering behavior of CFA. (C) 2015 Elsevier Ltd. All rights reserved.
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